Study on Analytical Method for Thiabendazole in Toasted and Seasoned Laver by LC-MS/MS
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- FUKUDA Hiromi
- Sakai City Institute of Public Health
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- UEDA Tsutomu
- Sakai City Institute of Public Health
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- OHNAKA Teruo
- Sakai City Institute of Public Health
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- SATO Nobuya
- Sakai City Institute of Public Health
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- SHINTO Masanori
- Sakai City Institute of Public Health
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- TANAKA Tomoyuki
- Sakai City Institute of Public Health
Bibliographic Information
- Other Title
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- LC-MS/MSによる味付け海苔中のチアベンダゾールの分析法の検討
- LC MS MS ニ ヨル アジツケ ノリ チュウ ノ チアベンダゾール ノ ブンセキホウ ノ ケントウ
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Abstract
Thiabendazole (TBZ), a pesticide with antifungal activity, was detected in toasted and seasoned laver which had been reported as tasting unpleasant by consumers in March 2008. From a survey of the manufacturing process, it was concluded that the TBZ contamination had originated from a sponge-roller which was used to paste seasoned liquid onto the toasted laver. At that time it was found that TBZ is widely used to prevent fungal contamination of sponge-rollers. For further survey of TBZ contamination in the laver, we developed a more sensitive detection method using LC-MS/MS. With our new method, six commercial products harvested in March 2008 and July 2009, respectively, were tested. Five out of six samples harvested in 2008 were positive for TBZ, with values in the range from 0.014 to 1.736 μg/g. Only one sample harvested in 2009 contained a detectable level of TBZ. The data obtained here contributed to the improvement of the manufacturing process.
Journal
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- Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi)
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Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi) 52 (2), 117-120, 2011
Japanese Society for Food Hygiene and Safety
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Details 詳細情報について
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- CRID
- 1390282679204402048
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- NII Article ID
- 130000671821
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- NII Book ID
- AN00117741
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- ISSN
- 18821006
- 00156426
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- NDL BIB ID
- 11100713
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- Text Lang
- ja
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- Data Source
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed